Home / 55,162.82-82,747.36-15,723.01

Finding the Fourth Proportional to 55,162.82, 82,747.36 and 15,723.01

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Solution

The fourth proportional to 55,162.82, 82,747.36 and 15,723.01 is: 23,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162.82 : 82,747.36 = 15,723.01 : x
  2. Step 2: Convert to fraction form
    55,162.82/82,747.36 = 15,723.01/x
  3. Step 3: Cross multiply
    55,162.82x = 82,747.36 × 15,723.01
  4. Step 4: Simplify right side
    55,162.82x = 1,301,037,568.75
  5. Step 5: Solve for x
    x = 1,301,037,568.75/55,162.82
  6. Step 6: Final answer
    x = 23,585.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.